The first sunday of May marks the annual ‘International Day of Permaculture’ – a celebration of permaculture around the world. Over the past seven years, what started out as a grass roots Australian initiative has since grown into a global day of permaculture activities and events, celebrated in over 35 countries. In fact, the activities often extend throughout the month of May. Bill Mollison and David Holmgren’s early development of the ‘permaculture’ concept, in Tasmania in the mid-1970s, arose out of their research and investigation into ethical and environmentally sustainable forms of ‘permanent agriculture’ and the social structures to support this. Permaculture has since evolved into a global…